CA963568A - Leakage current interrupter device - Google Patents

Leakage current interrupter device

Info

Publication number
CA963568A
CA963568A CA143,015A CA143015A CA963568A CA 963568 A CA963568 A CA 963568A CA 143015 A CA143015 A CA 143015A CA 963568 A CA963568 A CA 963568A
Authority
CA
Canada
Prior art keywords
leakage current
current interrupter
interrupter device
leakage
interrupter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA143,015A
Other versions
CA143015S (en
Inventor
Carl E. Gryctko
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ITE Circuit Breaker Canada Ltd
Original Assignee
ITE Circuit Breaker Canada Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ITE Circuit Breaker Canada Ltd filed Critical ITE Circuit Breaker Canada Ltd
Application granted granted Critical
Publication of CA963568A publication Critical patent/CA963568A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1045—Multiple circuits-breaker, e.g. for the purpose of dividing current or potential drop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with differential transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
CA143,015A 1971-07-23 1972-05-25 Leakage current interrupter device Expired CA963568A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16567871A 1971-07-23 1971-07-23

Publications (1)

Publication Number Publication Date
CA963568A true CA963568A (en) 1975-02-25

Family

ID=22599966

Family Applications (1)

Application Number Title Priority Date Filing Date
CA143,015A Expired CA963568A (en) 1971-07-23 1972-05-25 Leakage current interrupter device

Country Status (2)

Country Link
US (1) US3717792A (en)
CA (1) CA963568A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2246845A1 (en) * 1972-09-23 1974-03-28 Bbc Brown Boveri & Cie ELECTRICAL CONNECTOR PROTECTIVE DEVICE
US3806845A (en) * 1972-11-29 1974-04-23 Ite Imperial Corp Ground fault interrupter
US3855502A (en) * 1973-02-22 1974-12-17 Ite Imperial Corp Ground fault interrupter device
US3999103A (en) * 1975-03-14 1976-12-21 Westinghouse Electric Corporation Multi-pole ground fault circuit breaker
US4168514A (en) * 1977-12-16 1979-09-18 General Electric Company Combination circuit breaker-lightning arrestor
US4246558A (en) * 1979-01-22 1981-01-20 Gould Inc. Auxiliary feature modules for circuit breakers
DE3028812C2 (en) * 1980-07-30 1986-07-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Switch with means for remote-controlled switching on and off
DE3817528A1 (en) * 1988-05-24 1989-12-07 Licentia Gmbh MOTOR STARTER WITH SHORT CIRCUIT PROTECTION
US5276416A (en) * 1991-09-20 1994-01-04 Kabushiki Kaisha Toshiba Circuit breaker
US5321574A (en) * 1992-01-17 1994-06-14 Siemens Energy & Automation, Inc. Circuit breaker/surge arrestor package in which the arrestor uses an MOV that is thermally de-coupled from the breaker's thermal trip circuit

Also Published As

Publication number Publication date
US3717792A (en) 1973-02-20

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